期刊
JOURNAL OF APPLIED PHYSICS
卷 106, 期 1, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3158523
关键词
mechanical alloying; nanostructured materials; phase transformations; Raman spectroscopy; X-ray absorption; zinc compounds
资金
- European Union [E06D100249BR]
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico-CNPq (Brazil)
Nanometric orthorhombic ZnSb was prepared by mechanical alloying and its structural stability was studied as a function of pressure. The changes were followed by Raman and x-ray absorption spectroscopy. Between 11.0 and 14.6 GPa, we observed an irreversible phase transformation from the orthorhombic phase to a hexagonal hP1 phase. A similar transformation had been previously observed at 7 GPa for bulk ZnSb. The difference in the phase transformation pressures is attributed to an interfacial component of the nanometric structure.
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